Denise Schindlar-Ahlgrim, LCSW
Clinical Social Worker · Sayville, NY
Denise Schindlar-Ahlgrim, LCSW is a clinical social worker with a practice address in Sayville, New York, and NPI 1285835538, issued on May 31, 2007. Check the license (New York 091868-01, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Denise Schindlar-Ahlgrim
- Credential
- LCSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 091868-01 NY
Self-reported in NPPES; status is on the state search - Practice location
- 4 Washington St, Sayville, NY 11782
- Phone
- (631) 466-7190
- Enumerated
- May 31, 2007
- Record last updated
- Sep 15, 2025
- Medicare enrollment
- Enrolled (PECOS I20231025002222); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 29,293 in New York → Look up another NPI →
Verify Denise Schindlar-Ahlgrim in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license 091868-01Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Calm Seas Psychotherapy Lcsw PLLCMattituck, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Denise Schindlar-Ahlgrim among 29,293 clinical social worker records in New York
Denise Schindlar-Ahlgrim, LCSW is one of 29,293 clinical social worker records with a practice address in New York. 8% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 17% of them.
- NPI issued2007 · 17% of these records are older, 68% newer
- In a Medicare fileYes · 8% of these records are
- In the CMS Doctors and Clinicians fileYes · 17% of these records are
- Graduated1996 · median 2001 among the 5,004 with a school on file
- Record last updated2025 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
38 clinical social worker records list a practice address in Sayville
They are 38 of the 360 NPPES records with a practice address in Sayville, and 29,293 clinical social worker records in New York.
All 29,293 in New York → Every provider in Sayville → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Debra Entenberg, LCSWSayville, NY 117821568603132
- Jennifer Flanagan, LCSWSayville, NY 117821669696613
- Kimberly Hession, LCSWSayville, NY 117821134346059
- Judith Johnsen, MSWSayville, NY 117821114197134
- Katherine Lafemina, LCSWSayville, NY 117821225138886
- Sal Lafemina, LCSWSayville, NY 117821942383625
- Katherine Lichter, L.C.S.W.Sayville, NY 117821023130598
- Christopher Probeyahn, LCSW-RSayville, NY 117821629117502
Common questions
What is Denise Schindlar-Ahlgrim, LCSW's NPI number?
Denise Schindlar-Ahlgrim, LCSW's National Provider Identifier (NPI) is 1285835538, issued on May 31, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Denise Schindlar-Ahlgrim, LCSW located?
The NPPES record lists a practice address at 4 Washington St, Sayville, NY, 11782. Phone: (631) 466-7190. Providers update this record themselves, so call before visiting.
How can I verify Denise Schindlar-Ahlgrim, LCSW's license?
NPPES lists New York license number 091868-01, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.